Finding the Third Proportional to 687,997 and 1,011,773.50

Step by Step Solution

1. Step 1: Write the proportion equation
   687,997 : 1,011,773.50 = 1,011,773.50 : x
2. Step 2: Convert to fraction form
   687,997/1,011,773.50 = 1,011,773.50/x
3. Step 3: Cross multiply
   687,997x = 1,011,773.50 × 1,011,773.50
4. Step 4: Simplify right side
   687,997x = 1,023,685,615,302.25
5. Step 5: Solve for x
   x = 1,023,685,615,302.25/687,997
6. Step 6: Final answer
   x = 1,487,921.63